NA 044

DIN Standards Committee Refrigeration Technology

About FNKä

The DIN-Standards Committee Refrigeration Technology (FNKä) develops national, European and international standards for the design, equipment and installation of refrigerating systems including heat pumps. The scope includes

  • household refrigerant appliances,
  • refrigerated commercial and display cabinets,
  • heat pumps and air conditioners with electrically driven compressors,
  • compressors,
  • oil for refrigerating systems,
  • insulated means for transport,
  • cooling equipment for insulated means of transport.

Work on these topics is mainly carried out within CEN/TC 182 "Refrigerating systems, safety and environmental requirements" the secretariat of which is held by DIN. FNKä also plays an active part in the work of CEN/TC 44 "Commercial refrigerated cabinets, catering refrigerating appliances and industrial refrigeration", CEN/TC 110 "Heat exchangers" and CEN/TC 113 "Heat pumps and air conditioning units". Furthermore the national German comments on the various standardization topics of ISO/TC 86 "Refrigeration and air conditioning" are prepared within the respective national committees.

How is FNKä composed?

Contact

DIN e. V.
Jan Dittberner

Am DIN-Platz
Burggrafenstraße 6
10787 Berlin

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New projects
Document number Begin Title
Document number DIN 8930-1 Begin 2025-04-11 Title Refrigerating systems and heat pumps - Terms and definitions - Part 1: Symbols and units More  Comment 
Document number DIN EN ISO 23953-2 Begin 2025-04-10 Title Refrigerated display cabinets - Part 2: Classification, requirements and test conditions (ISO 23953-2:2023); German version EN ISO 23953-2:2023 More  Comment 
Document number DIN 8960 Begin 2025-02-26 Title Refrigerants - Requirements and symbols More  Comment 

All projects  

Current Draft Standards
Document number Edition Title
Document number DIN EN 378-3 Edition 2025-07 Title Refrigerating systems and heat pumps - Safety and environmental requirements - Part 3: Installation site and personal protection; German and English version prEN 378-3:2025 More 
Document number DIN EN 378-2 Edition 2025-07 Title Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation; German and English version prEN 378-2:2025 More 
Document number DIN EN 378-5 Edition 2025-07 Title Refrigerating systems and heat pumps - Safety and environmental requirements - Part 5: Safety classification and information about refrigerants; German and English version prEN 378-5:2025 More 

All draft standards  

New publications
Document number Edition Procedure Title
Document number DIN EN ISO 14903 Edition 2025-05 Procedure Standard Title Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO 14903:2025); German version EN ISO 14903:2025 More  Order from DIN Media
Document number DIN EN ISO 24664 Edition 2025-04 Procedure Standard Title Refrigerating systems and heat pumps - Pressure relief devices and their associated piping - Methods for calculation (ISO 24664:2024); German version EN ISO 24664:2024 More  Order from DIN Media
Document number DIN EN ISO 23953-2 Edition 2025-04 Procedure Standard Title Refrigerated display cabinets - Part 2: Classification, requirements and test conditions (ISO 23953-2:2023); German version EN ISO 23953-2:2023 More  Order from DIN Media

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